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Proceedings Paper

Cutting force modeling and simulation for hole-making process by helical milling
Author(s): Zhongqun Li; Qiang Liu; Chong Peng; Xiao Sun
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Paper Abstract

According to the kinematics of the cutting tool, two different machining operations occur in helical milling operation. One is the plunge milling machined by its front cutting edges resulting from the axial feed of the cutting tool, the other is the peripheral milling machined by its side cutting edges resulting from the tangential feed of the cutting tool. On the basis, both the peripheral and the front cutting depths at each engagement point are derived as a function of cutting parameters using a cylindrical end mill. By dividing the cutting edges into a stack of disks and applying the linear-edge cutting force model to each disk, through coordinate transformation, numerical integration along the cutting edges and summation for the differential cutting forces of all the teeth, the overall instantaneous cutting forces acting on the whole cutting tool in the three orthogonal directions are obtained Based on the cutting force algorithm, the impact of cutting conditions such as the tangential and axial feedrates on the tangential, normal and axial cutting forces is investigated. Meanwhile, a set of cutting trials were conducted to validate the cutting force model. It is shown that the proposed model can well predicate the cutting forces in helical milling. Therefore, the proposed approach is proven to be a feasible and practical approach to determine cutting conditions in helical milling for shop floor applications.

Paper Details

Date Published: 24 May 2011
PDF: 6 pages
Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 799703 (24 May 2011);
Show Author Affiliations
Zhongqun Li, Hunan Univ. of Technology (China)
Beihang Univ. (China)
Qiang Liu, Beihang Univ. (China)
Chong Peng, Beihang Univ. (China)
Xiao Sun, Hunan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7997:
Fourth International Seminar on Modern Cutting and Measurement Engineering
Jiezhi Xin; Lianqing Zhu; Zhongyu Wang, Editor(s)

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